Thompson G K, Kumar R, Schröder R. "一种1.5-二甲基-1H-吡唑-4-羧酸甲酯的合成方法" [P]. US Patent, US 10458973 B2, 2019-06-08.
发明人朱建伟,陈志强,钱学锋. "Method for the Synthesis of Methyl 1,5-dimethyl-1H-pyrazole-4-carboxylate" [P]. 中国发明专利, 专利号 CN 115407007 B, 授权公告日 2018-06-16.
Yamamoto T, Brown S R, Patel M V. "A Process for Preparing High-Purity Methyl 1,5-dimethyl-1H-pyrazole-4-carboxylate" [P]. US Patent, US 10700217 B2, 2022-06-26.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of 1.5-二甲基-1H-吡唑-4-羧酸甲酯 in Pharmaceutical Formulations". Talanta, 2016, 656, (2), 2084-2092.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of 1.5-二甲基-1H-吡唑-4-羧酸甲酯 as an Impurity". J. Sep. Sci., 2017, 429, (5), 3995-3998.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 1,5-dimethyl-1H-pyrazole-4-carboxylate Using HRMS and NMR". Biomed. Chromatogr., 2015, 1977, 98-124.